Cross-National Study of Diagnosis of the Mental Disorders: A Comparison of the Diagnoses of Elderly Psychiatric Patients Admitted to Mental Hospitals serving Queens County, New York, and the former Borough of Camberwell, London

The original aim of the U.S./U.K. Diagnostic Project, founded in 1965, was to examine differences in the national statistics for the diagnostic frequencies among patients admitted to state mental hospitals in the United States of America and to area mental hospitals in England and Wales.